Philip M 4. That there is an aether which can be considered analogous to a liquid (not a fluid) excepting that, Come come sir, all liquids surely are fluids, as are all gasses and all plasmas. Loved your pseudo science item -- I wonder did you find it at the same site I once found? Each time you press the "Feed me another" button, another pseudo science "paper" is produced. I was so impressed that I forgot to record the address. Paul D ____________________________________________________________________________________ Yahoo!7 Mail has just got even bigger and better with unlimited storage on all webmail accounts. http://au.docs.yahoo.com/mail/unlimitedstorage.html